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Re: speedometers

To: Randall Young <ryoung@NAVCOMTECH.COM>
Subject: Re: speedometers
From: Joe Curry <spitlist@gte.net>
Date: Mon, 04 Mar 2002 20:45:51 -0700
Cc: Triumph <triumphs@autox.team.net>
References: <NCBBKDNEEKEOHAOIIOIIOEFGFPAA.ryoung@navcomtech.com>
Randall Young wrote:
> 
> > But someone told me that if I want to roll back. I just hook the
> > speedometer
> > to a drill and let 'er rip. That should set it to 00000 in no time.
> 
> That seems to be a popular myth, but IMO it's only a myth.  First of all,
> the odometer does not work in reverse (only the 1/10 digit will move
> backwards).  Ok, that's not what you said.  Turning it forward isn't much
> better, basically an ordinary drill motor can only manage less than 100 mph
> equivalent (roughly 2000 rpm at the speedo head).  To turn it forward as
> little as 1000 miles is going to take 10 hours ...
> 
> And even if you had a motor capable of turning the shaft at 10,000 rpm, it
> would likely destroy the speedometer.

It is my experience that the speedometers will turn back if connected to a 
drill in reversed.  They will also run forward with the drill.  Problem is
that it is a slow painful process that is not worth the effort unless the 
odometer is very close to 100000 or zero.

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